/*
 * Copyright (c) 2019 The StreamX Project
 * <p>
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.streamxhub.streamx.test.flink.scala.datastream

import org.apache.flink.streaming.api.scala._

object WordCountApp extends App {

  val env = StreamExecutionEnvironment.getExecutionEnvironment

  env.fromElements("hello world", "hello flink", "hello hadoop")
    .flatMap(_.split("\\s+"))
    .map(x => WoldCount(x, 1))
    .keyBy(_.wold)
    .sum("count")
    .print()

  env.execute()

}

case class WoldCount(wold: String, count: Int)
